Home / 33,275.76-49,949.18-18,480.71

Finding the Fourth Proportional to 33,275.76, 49,949.18 and 18,480.71

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Solution

The fourth proportional to 33,275.76, 49,949.18 and 18,480.71 is: 27,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,275.76 : 49,949.18 = 18,480.71 : x
  2. Step 2: Convert to fraction form
    33,275.76/49,949.18 = 18,480.71/x
  3. Step 3: Cross multiply
    33,275.76x = 49,949.18 × 18,480.71
  4. Step 4: Simplify right side
    33,275.76x = 923,095,968.17
  5. Step 5: Solve for x
    x = 923,095,968.17/33,275.76
  6. Step 6: Final answer
    x = 27,740.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.